【英文标准名称】:Soundsystemequipment-Methodsforspecifyingandmeasuringgeneralcharacteristicsusedforequipmentperformance
【原文标准名称】:音响系统设备.第1部分:设备性能用一般特性的规定和测量方法
【标准号】:BS6840-1-1987
【标准状态】:现行
【国别】:英国
【发布日期】:1987-04-30
【实施或试行日期】:1987-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:通信设备;频率;声学测量;音频设备;声学试验;信号电平;权函数;试验条件;性能试验;误差;校准;作标记;声测量;声试验;作标记;磁场测量;准确度;图解表示法;实验数据;音频系统;试验设备
【英文主题词】:Acousticequipment;Acoustics;Acoustoelectricdevices;Amplifiers;Audioequipment;Datarepresentation;Definition;Definitions;Electricalengineering;Electroacoustics;Frequencies;Frequencymeasurement;Generalsection;Headphones;High-fidelity;Instruments;Loudspeakers;Marking;Measurement;Microphones;Noise(spurioussignals);Noisevoltage;Performance;Precision;Radiodisturbances;Radioequipment;Radioreceivers;Radiofrequencies;Ratings;Soundbroadcasting;Soundtransmission;Specification(approval);Transmissiondevices;Voltagemeasurement
【摘要】:Thisstandardappliestosoundsystemsofanykind,andtothepartsofwhichtheyarecomposedorwhichareusedasauxiliariestosuchsystems.Thisstandarddealswiththedeterminationoftheperformanceofsoundsystemequip-ment,thecomparisonofthesetypesofequipmentandthedeterminationoftheirproperpracticalapplication,bylistingthecharacteristicswhichareusefulfortheirspecificationandlayingdownuniformmethodsofmeasurementsforthesecharacteristics.Thestandardisconfinedtoadescriptionofthedifferentcharacteristicsandtherelevantmethodsofmeasurement;itdoesnotingeneralspecifyperformance(exceptinPart10).Thecompletestandardconsistsofthefollowingparts,inwhichthecharacteristicsofvariouspartsofsoundsystemsandtheirmethodsofmeasurementarespecified;somepartsincludepreferredvalues:—Part1:General.(Uniformcharacteristicsandmethodsofmeasurement)—Part2:ExplanationofGeneralTerms.(Explanationofgeneraltermsandcalculationmethods)—Part3:SoundSystemAmplifiers.(Amplifiersformingpartofasoundsystemforprofessionalanddomesticapplications)—Part4:Microphones.(Microphonesinprofessionalanddomesticapplications)—Part5:Loudspeakers.(Loudspeakersinprofessionalanddomesticapplications,treatedasentirelypassiveelements)—Part6:AuxiliaryPassiveElements.(Attenuators,transformers,filtersandequalizers,appliedasseparateunitstobecombinedwithotherseparatesoundsystemunits)—Part7:HeadphonesandHeadsets.(Headphonesandheadsetsintendedtobeusedonthehumanear)—Part8:AutomaticGainControlDevices.(Limitersandcompressors)—Part9:ArtificialReverberation,TimeDelayandFrequencyShiftEquipment.(Devicescommonlyemployedtoachievespecialeffectsinsoundsystems)—Part10:ProgrammeLevelMeters(Peakprogrammemetersandvu-indicators)—Part11:ConnectorsfortheInterconnectionofSoundSystemComponents.(Applicationofconnectorsfortheinterconnectionbetweenpartsofasoundsystem)—Part12:CircularConnectorsforBroadcastandSimilarUse.(Applicationofconnectorsfortheinterconnectionbetweenpartsofabroad-castorsimilarprofessionalsystem)—Part13:ListeningTestonLoudspeakers.(Listeningtestsandobjectivemethodsforratingthequalityofthetransmis-sionsystems)—Part14:CircularandEllipticalLoudspeakers;OuterFrameDiametersandMountingDimensions.(Dimensionalcharacteristicsofsinglemoving-coil(dynamic)loudspeakers)—Part15:PreferredMatchingValuesfortheInterconnectionofSoundSystemCom-ponents.(Preferredelectricalvaluesforthecorrectinterconnectionofsoundsystemcomponents)
【中国标准分类号】:M72
【国际标准分类号】:33_160_30
【页数】:26P;A4
【正文语种】:英语
基本信息
| 标准名称： | 预灌封注射器组合件(带注射针)(试行) |
| 英文名称： | Yuguanfengzhusheqi Zuhejian(Daizhushezhen) Assemblages for prefilled syringes(with stainless steel needles) |
| 中标分类： |
医药、卫生、劳动保护 >>
医药、卫生、劳动保护综合 >>
标志、包装、运输、贮存 |
| ICS分类： |
医药卫生技术 >>
医学科学和保健装置综合
|
| 发布日期： | 2005-01-05 |
| 实施日期： | 2005-04-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 7页 |
适用范围
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前言
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引用标准
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所属分类： 医药 卫生 劳动保护 医药 卫生 劳动保护综合 标志 包装 运输 贮存 医药卫生技术 医学科学和保健装置综合